diff options
| -rw-r--r-- | morphlib/morph2.py | 83 | ||||
| -rw-r--r-- | morphlib/morph2_tests.py | 80 |
2 files changed, 163 insertions, 0 deletions
diff --git a/morphlib/morph2.py b/morphlib/morph2.py new file mode 100644 index 00000000..8987b848 --- /dev/null +++ b/morphlib/morph2.py @@ -0,0 +1,83 @@ +# Copyright (C) 2012 Codethink Limited +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + + +import json + + +class Morphology(object): + + '''An in-memory representation of a morphology. + + This is a parsed version of the morphology, with rules for default + values applied. No other processing. + + ''' + + static_defaults = [ + ('configure-commands', []), + ('build-commands', []), + ('test-commands', []), + ('install-commands', []), + ('sources', []), + ('max-jobs', None), + ('description', ''), + ('build-depends', None), + ('build-system', 'manual'), + ] + + def __init__(self, text): + self._dict = json.loads(text) + self._set_defaults() + + def __getitem__(self, key): + return self._dict[key] + + def __contains__(self, key): + return key in self._dict + + def _set_defaults(self): + if 'max-jobs' in self: + self._dict['max-jobs'] = int(self['max-jobs']) + + if 'disk-size' in self: + size = self['disk-size'] + size = size.lower() + if size.endswith('g'): + size = int(size[:-1]) * 1024**3 + elif size.endswith('m'): # pragma: no cover + size = int(size[:-1]) * 1024**2 + elif size.endswith('k'): # pragma: no cover + size = int(size[:-1]) * 1024 + else: # pragma: no cover + size = int(size) + self._dict['disk-size'] = size + + for name, value in self.static_defaults: + if name not in self._dict: + self._dict[name] = value + + if self['kind'] == 'stratum': + self._set_stratum_defaults() + + def _set_stratum_defaults(self): + for source in self['sources']: + if 'repo' not in source: + source['repo'] = source['name'] + if 'morph' not in source: + source['morph'] = source['name'] + if 'build-depends' not in source: + source['build-depends'] = None + diff --git a/morphlib/morph2_tests.py b/morphlib/morph2_tests.py new file mode 100644 index 00000000..65ab89cf --- /dev/null +++ b/morphlib/morph2_tests.py @@ -0,0 +1,80 @@ +# Copyright (C) 2012 Codethink Limited +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + + +import unittest + +from morphlib.morph2 import Morphology + + +class MorphologyTests(unittest.TestCase): + + def test_parses_simple_chunk(self): + m = Morphology(''' + { + "name": "foo", + "kind": "chunk", + "build-system": "manual" + } + ''') + + self.assertEqual(m['name'], 'foo') + self.assertEqual(m['kind'], 'chunk') + self.assertEqual(m['build-system'], 'manual') + self.assertEqual(m['configure-commands'], []) + self.assertEqual(m['build-commands'], []) + self.assertEqual(m['test-commands'], []) + self.assertEqual(m['install-commands'], []) + self.assertEqual(m['max-jobs'], None) + + def test_makes_max_jobs_be_an_integer(self): + m = Morphology(''' + { + "name": "foo", + "kind": "chunk", + "max-jobs": "42" + } + ''') + + self.assertEqual(m['max-jobs'], 42) + + def test_sets_stratum_sources_repo_and_morph_from_name(self): + m = Morphology(''' + { + "name": "foo", + "kind": "stratum", + "sources": [ + { + "name": "le-chunk" + } + ] + } + ''') + + self.assertEqual(m['sources'][0]['repo'], 'le-chunk') + self.assertEqual(m['sources'][0]['morph'], 'le-chunk') + self.assertEqual(m['sources'][0]['build-depends'], None) + + def test_parses_system_disk_size(self): + m = Morphology(''' + { + "name": "foo", + "kind": "system", + "disk-size": "1g" + } + ''') + + self.assertEqual(m['disk-size'], 1024**3) + |